[llvm-dev] Failures on clang-with-lto-ubuntu builders

[Galina Kistanova via llvm-dev]

Thanks, Tom!

The both builders are back to normal and should work reliably.

The memory usage during the build grew up for about 15% because of
https://reviews.llvm.org/rGb5c63e30ca1af7e36ba5069eb0121d1eb4b06ebb, and
pushed the builders over the edge.

Galina

On Tue, May 11, 2021 at 1:12 AM pawel k. via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Cool. Thanks for letting me become less ignorant. Im still discovering
> llvm and I pretty much love what I saw so far. Llvm+clang is a small wonder
> of the world.
>
> -Pawel
>
> wt., 11.05.2021, 09:15 użytkownik David Blaikie <dblaikie at gmail.com>
> napisał:
>
>> On Mon, May 10, 2021 at 11:40 PM pawel k. <pawel.kunio at gmail.com> wrote:
>>
>>> Hi Tom,
>>> That looks like great quick fix, Im wondering if we could propose data
>>> format or computation model change for example to db- or other
>>> disk-vs-mem-based where we could lto link huge projects anyway. I wonder
>>> whether whole lto data needs to be loaded into mem at once and whether its
>>> tree- or other datastructure based.
>>>
>>
>> That's what ThinLTO is intended to/does address - but has tradeoffs. It
>> has limited whole program data - but better than traditional compilation,
>> since it can use profiling/other analysis to inform how to partition the
>> program.
>>
>> - Dave
>>
>>
>>>
>>> -Pawel
>>>
>>> wt., 11.05.2021, 07:26 użytkownik Tom Stellard via llvm-dev <
>>> llvm-dev at lists.llvm.org> napisał:
>>>
>>>> On 5/10/21 10:09 PM, Tom Stellard wrote:
>>>> > On 5/10/21 10:03 PM, David Blaikie wrote:
>>>> >> best to check the bot owners & include them on an email like this?
>>>> But yeah, if they aren't responsive to stabilizing their bots - certainly
>>>> open to disabling them straight on the zorg repo.
>>>> >>
>>>> >
>>>> > Is there a list of bot owners somewhere?  I tried to dig through the
>>>> llvm-zorg
>>>> > repo to figure out who owned the bot, but I couldn't find anything.
>>>> >
>>>>
>>>> I've learned that there are instructions for finding bot owners in the
>>>> Developer Policy:
>>>> https://llvm.org/docs/DeveloperPolicy.html#working-with-the-ci-system
>>>>
>>>> It looks like Galina is the owner of these workers.
>>>>
>>>> -Tom
>>>>
>>>> > -Tom
>>>> >
>>>> >> On Mon, May 10, 2021 at 9:59 PM Tom Stellard via llvm-dev <
>>>> llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
>>>> >>
>>>> >>     Hi,
>>>> >>
>>>> >>     Both the clang-with-lto-ubuntu and clang-with-lto-ubuntu-release
>>>> builders are
>>>> >>     consistently failing due to one of the linker jobs running out
>>>> of memory.
>>>> >>     Is there any easy way to fix these failures (Maybe by using
>>>> zram?)
>>>> >>     If not, can we disable these bots?
>>>> >>
>>>> >>     Thanks,
>>>> >>     Tom
>>>> >>
>>>> >>     _______________________________________________
>>>> >>     LLVM Developers mailing list
>>>> >>     llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>
>>>> >>     https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev <
>>>> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev>
>>>> >>
>>>> >
>>>>
>>>> _______________________________________________
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